5. Use Advanced filter to filter the list in place showing only unique records. This will hide rows with duplicate user names

6. Re-select the Domain\Username field, copy, then paste into a new worksheet. This should paste only unique user names

7. Result:
- List of unique logon IDs / user names
- CTRL+End takes you to the bottom of the list. The row number is the number of unique logons
- If you sort the original worksheet by date, you have an approximate timeframe

PostEventCombMt.CMD Script

@echo off

:Start

CLS Echo. Echo Script will reformat EventCombMT output to a semicolon-delimited Echo format importable to Excel Echo. Echo Date field is imported to true Excel date field Echo Time field is imported to true Excel time field Echo Description field is preserved / unmodified Echo. Echo Run in directory where *_LOG.TXT files exist Echo. Echo. Echo. Pause

for /f "tokens=1-8 delims=:/. " %%a in ('echo %date% %time%') do set LogFile=%%d-%%b-%%c_%%e-%%f-%%g.log